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Finding the Fourth Proportional to 74,273.60, 111,386.10 and 27,520.40

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Solution

The fourth proportional to 74,273.60, 111,386.10 and 27,520.40 is: 41,271.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,273.60 : 111,386.10 = 27,520.40 : x
  2. Step 2: Convert to fraction form
    74,273.60/111,386.10 = 27,520.40/x
  3. Step 3: Cross multiply
    74,273.60x = 111,386.10 × 27,520.40
  4. Step 4: Simplify right side
    74,273.60x = 3,065,390,026.44
  5. Step 5: Solve for x
    x = 3,065,390,026.44/74,273.60
  6. Step 6: Final answer
    x = 41,271.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.